Home / 813,102.82-1,122,051.62-468,953.16

Finding the Fourth Proportional to 813,102.82, 1,122,051.62 and 468,953.16

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Solution

The fourth proportional to 813,102.82, 1,122,051.62 and 468,953.16 is: 647,137.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,102.82 : 1,122,051.62 = 468,953.16 : x
  2. Step 2: Convert to fraction form
    813,102.82/1,122,051.62 = 468,953.16/x
  3. Step 3: Cross multiply
    813,102.82x = 1,122,051.62 × 468,953.16
  4. Step 4: Simplify right side
    813,102.82x = 526,189,649,846.81
  5. Step 5: Solve for x
    x = 526,189,649,846.81/813,102.82
  6. Step 6: Final answer
    x = 647,137.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.